Download von www.picturedesk.com am 22.12.2021 (15:52). Scientists at the Africa Health Research Institute in Durban, South Africa, work on the omicron variant of the COVID-19 virus Wednesday Dec. 15, 2021. An analysis of data from South Africa, where the new variant is driving a surge in infections, suggests the Pfizer vaccine offers less defense against infection from omicron and reduced, but still good, protection from hospitalization. (AP Photo/Jerome Delay) - 20211215_PD4082 - Rechteinfo: Rights Managed (RM)